剑桥词典a fairly rare condition in which an old person loses control over the muscles in their eyes , face , and neck . It eventually leads to dementia (= loss of mental ability ). 進行性核上性麻痺，進行性上眼神經核麻痺症，Steele-Richardson-Olszewski綜郃症 返回 Steele-Richardson-Olszewski syndrome